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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 18. Отображено 18.
09-05-2012 дата публикации

Method for preparing blocked allyl polyether

Номер: CN0101885839B
Автор: CHENGJUN ZHOU, WEIMIN YANG, WENLE ZHOU, YANMIN XIA, ZINIU YU, ZHIQIN SHEN, XIAOFANG SONG, ANMENG CHEN, ZHOU CHENGJUN, YANG WEIMIN, ZHOU WENLE, XIA YANMIN, YU ZINIU, SHEN ZHIQIN, SONG XIAOFANG, CHEN ANMENG
Принадлежит:

The invention relates to a method for preparing blocked allyl polyether and mainly aims to solve the problem that the water generated by the etherification in the prior art results in the decomposition of the blocking agent. To solve the problem, the invention adopts the technical scheme comprising the following steps of: (1) adding hydroxyl terminated polyether and alkali metal hydroxide with mole ratio of 1: 0.5 to 5 to organic solvent, then making the mixture react for 0.5 to 15 hours at the azeotropic temperature of the organic solvent and the water, and separating the generated water by the azeotropic reaction of the organic solvent and water to prepare the solution of polyether polyol alkali metal salt; (2) reducing the temperature of the solution prepared in the step (1) to 40 to 80 DEG C, adding halide to the reaction system, etherifying the mixture for 0.5 to 15 hours at the reaction temperature of 80 to 150 DEG C, carrying out the reduced pressure distillation, filtering anddesalting ...

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Номер записи: 1
28-07-2023 дата публикации

Signal lamp identification method and device based on deep learning

Номер: CN116503832A
Автор: CHEN ANMENG, CHEN YUANPENG, HU WENBO, LENG JING, XUAN JINGWEI, XUE PENG, ZHANG JUNLIANG, ZHANG WENHAI
Принадлежит:

The invention discloses a signal lamp identification method and device based on deep learning, relates to the technical field of automatic driving, and mainly aims to predict distance information between a signal lamp and a vehicle and perform auxiliary decision making on subsequent planning of the vehicle. According to the main technical scheme, the method comprises the steps of obtaining a target image according to a preset time interval; based on the target image, obtaining lamp panel information and light source information of the to-be-identified signal lamp by using a preset deep neural network prediction model; based on the lamp panel information and the light source information, forming a corresponding signal lamp queue by using a preset rule, and adding the signal lamp queue into a preset signal lamp queue set; determining a signal lamp queue corresponding to the target signal lamp from a preset signal lamp queue set based on the destination information and the current position ...

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Номер записи: 2
02-07-2014 дата публикации

Composition for improving recovery efficiency of tertiary recovery, and preparation method and use thereof

Номер: CN103897682A
Автор: CHEN ANMENG, SHEN ZHIQIN, LI YINGCHENG, SONG XIAOFANG
Принадлежит:

The invention relates to a composition for improving the recovery efficiency of tertiary recovery, and a preparation method thereof. The problems of bad temperature and salt resistance and low oil displacement efficiency of polymer-containing oil displacement agents in the prior art are solved in the invention. The oil displacement composition for tertiary recovery comprises 0.01-5.0wt% of a temperature and salt resistance copolymer NWKY-PAN, 0.01-5.0wt% of a fatty alcohol polyoxyethylene ether carboxylate surfactant and 90.0-99.98wt% of injected water. The above technical scheme can well solve the problems, and the composition can be used in the tertiary recovery production of oilfields to improve the recovery efficiency.

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Номер записи: 3
28-04-2023 дата публикации

Perception method and system supporting multi-camera dynamic input and vehicle

Номер: CN116030447A
Автор: ZHANG WENHAI, HU WENBO, CHEN ANMENG, ZHANG JUNLIANG
Принадлежит:

The invention discloses a perception method and system supporting multi-camera dynamic input and a vehicle, and the method comprises the steps: collecting image data, marking a region of interest based on the image data, generating trainable multi-sensor original image data and truth value data, and carrying out the multi-camera dynamic input. And performing mask processing on the truth value data based on the plurality of target frames, performing perspective projection on the plurality of target frames, respectively displaying the target frames on different view angle images, judging whether the target frames appear in the image data or not according to whether the target frames exceed the image boundary region or not, and further determining whether to process the image or not. According to the invention, the safety of the automatic driving vehicle in the fault state of the camera sensor is effectively solved or improved to a certain extent.

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Номер записи: 4
06-08-2014 дата публикации

Combined surfactant and its preparation method

Номер: CN103965853A
Автор: SHEN ZHIQIN, ZHANG HUI, CHEN ANMENG, LI BIN
Принадлежит:

The invention relates to a combined surfactant and its preparation method, and mainly solves the problems of bad temperature resistance, low interface activity, and failing at reaching 10<-3>mN/m ultralow interface tension force especially at low concentration existing in surfactants used as the main composition of oil displacement agent systems in the prior art. The combined surfactant comprises, by mass, 1 part of a zwitterionic surfactant, 0.01-50 parts of an anionic-nonionic surfactant and 0.1-90 parts of water. The combined surfactant can well solve the problems, and can be used in the tertiary oil recovery production of oilfields. The molecular formula of each of the above surfactants is shown in the specification.

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Номер записи: 5
24-12-2014 дата публикации

Emulsifier for oil base drilling fluid and preparation method thereof

Номер: CN104232030A
Автор: CHEN ANMENG, SHEN ZHIQIN, SHA OU, GAO LEI
Принадлежит:

The invention relates to an emulsifier for oil base drilling fluid and a preparation method thereof, and mainly solves the problems of few varieties of emulsifier for oil base drilling fluid, poor emulsification performance and poor temperature resistant performance in the prior art. The invention adopts a technical scheme containing the emulsifier for oil base drilling fluid shown as the formula (I) and the preparation method thereof, in order to solve the above problems. The emulsifier for oil base drilling fluid has good emulsifying property and temperature resistance, and the formed oil base drilling fluid has good stability and temperature tolerance, so as to meet the requirements of strong water sensitivity and high temperature oil field drilling and drilling operations in large displacement special drilling and offshore horizontal well.

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Номер записи: 6
17-11-2010 дата публикации

High-molecular-weight active comb polymer and preparation method thereof

Номер: CN0101885802A
Автор: CHENGJUN ZHOU, WEIMIN YANG, YANMIN XIA, WENLE ZHOU, ZINIU YU, ANMENG CHEN, XIAOFANG SONG, ZHOU CHENGJUN, YANG WEIMIN, XIA YANMIN, ZHOU WENLE, YU ZINIU, CHEN ANMENG, SONG XIAOFANG
Принадлежит:

The invention relates to a high-molecular-weight active comb polymer and a preparation method thereof, which mainly solve the problem of poor connection stability of the active groups of the active polymer and the main chain in prior art. By adopting the technical solution including the active comb polymer represented by structural formula (I) (in which x, y, p and q are mol numbers of structural units of acrylamide, sodium acrylate, 2-acrylamidyl-2-methyl sodium proparesulfonic acid and large monomer with surface activity; x:y:p:q is 60-80:10-30:5-20:0.1-5, R in the large monomer with surface activity is C1-C18 alkyl or C1-C18 alkyl aryl, n is 4-50, and the average molecular weight of the active comb polymer is greater than 106.) and preparation method thereof, the invention solves the problem greatly and can be used in high temperature oil reservoir exploitation with high hypersalinity.

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Номер записи: 7
02-07-2014 дата публикации

Oil-based drilling fluid adopting phenol ether sulfonate composite oil-based emulsifier, and preparation method thereof

Номер: CN103897677A
Автор: SHEN ZHIQIN, LI YINGCHENG, CHEN ANMENG, WANG HUIHUI
Принадлежит:

The invention relates to an oil-based drilling fluid adopting a phenol ether sulfonate composite oil-based emulsifier and a preparation method thereof, and aims to solve the problems of bad salt resistant performance and bad temperature resistant performance of oil-based drilling fluid, and bad stability of emulsifier in the prior art. The oil-based drilling fluid is composed of base oil, water, organic soil, a phenol ether sulfonate composite emulsifier, a pH adjusting agent, a tackifier, and a filtrate reducer. The oil-based drilling fluid well solves the problems mentioned above, and is capable of being applied to special wells with large displacements in high water sensitive and high temperature ground layers and horizontal wells in the sea in order to fulfill the special needs.

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Номер записи: 8
24-12-2014 дата публикации

Oil base drilling fluid and preparation method thereof

Номер: CN104232036A
Автор: CHEN ANMENG, SHEN ZHIQIN, LI YINGCHENG, HE XIUJUAN
Принадлежит:

The invention relates to an emulsifier for oil base drilling fluid and a preparation method thereof, and mainly solves the problems of poor stability and poor temperature resistant performance of oil base drilling fluid emulsion in the prior art. The oil base drilling fluid provided by the invention comprises the following components by weight: (1) 60-90 parts of base oil; (2) 10-40 parts of water; (3) 2-5 parts of organic soil; (4) 0.5-5 parts of an emulsifier shown in the formula (I); (5) 0-3 parts of an alkaline substance; (6) 0.5-3 parts of a tackifier; and (7) 0.5-3 parts of a filtrate reducer. The technical scheme comprising the oil base drilling fluid and the preparation method thereof well solves the problem, and can be used in well drilling operations in the occasions of strong water sensitivity, high temperature formation, drilling of large displacement special wells and offshore horizontal well.

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Номер записи: 9
26-03-2014 дата публикации

Fatty alcohol polyoxyethylene polyoxypropylene ether sulfonate and preparation method thereof

Номер: CN103665367A
Автор: SHEN ZHIQIN, CHEN ANMENG, XIA YANMIN, LI HUIQIN
Принадлежит:

The invention relates to fatty alcohol polyoxyethylene polyoxypropylene ether sulfonate and a preparation method thereof, and is mainly used for solving the problems that an oil-based drilling fluid emulsion in the prior art is poor in stability performance, weak in salt resistance and weak in temperature tolerance. The problems are well solved by adopting the technical scheme of the fatty alcohol polyoxyethylene polyoxypropylene ether sulfonate containing a general molecular formula shown in the specification and the preparation method thereof, wherein in the general molecular formula, M is selected from any ion of hydrogen, calcium, magnesium, barium, zinc, aluminum or iron; R is C8-C30 alkyl; m is an adduct number of an ethoxy group EO and is any integer in 1-10; n is an adduct number of a propoxy group PO and is any integer in 1-40; x is any integer in 1-3. The fatty alcohol polyoxyethylene polyoxypropylene ether sulfonate can be applied to special drilling operations such as strong ...

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Номер записи: 10
02-07-2014 дата публикации

Phenol ether sulfonate oil-based emulsifier and preparation method thereof

Номер: CN103897172A
Автор: SHEN ZHIQIN, SHA OU, CHEN ANMENG, GAO LEI
Принадлежит:

The invention relates to a phenol ether sulfonate oil-based emulsifier and a preparation method thereof, and aims to solve the problems that in the prior art the kinds of emulsifier for oil-based drilling fluid are few, the emulsifying performance of the conventional emulsifiers is bad, and the salt resistant performance and temperature resistant performance of the conventional emulsifier are not good. The emulsifier can be used as an oil-based drilling fluid emulsifier, and the formed oil-based drilling fluid can be applied to special wells with large displacements in high water sensitive and high temperature ground layers and horizontal wells in the sea in order to fulfill the special needs. The molecular formula of the phenol ether sulfate is represented in the description, wherein the R represents a C1-C20 alkyl group or a C1-C20 cumyl group represented in the description; M can be an ion of hydrogen, calcium, magnesium, barium, zinc, aluminum, and iron; m is the sum of ethoxyl (EO) ...

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Номер записи: 11
17-11-2010 дата публикации

Method for preparing blocked allyl polyether

Номер: CN0101885839A
Автор: CHENGJUN ZHOU, WEIMIN YANG, WENLE ZHOU, YANMIN XIA, ZINIU YU, ZHIQIN SHEN, XIAOFANG SONG, ANMENG CHEN, ZHOU CHENGJUN, YANG WEIMIN, ZHOU WENLE, XIA YANMIN, YU ZINIU, SHEN ZHIQIN, SONG XIAOFANG, CHEN ANMENG
Принадлежит:

The invention relates to a method for preparing blocked allyl polyether and mainly aims to solve the problem that the water generated by the etherification in the prior art results in the decomposition of the blocking agent. To solve the problem, the invention adopts the technical scheme comprising the following steps of: (1) adding hydroxyl terminated polyether and alkali metal hydroxide with mole ratio of 1: 0.5 to 5 to organic solvent, then making the mixture react for 0.5 to 15 hours at the azeotropic temperature of the organic solvent and the water, and separating the generated water by the azeotropic reaction of the organic solvent and water to prepare the solution of polyether polyol alkali metal salt; (2) reducing the temperature of the solution prepared in the step (1) to 40 to 80 DEG C, adding halide to the reaction system, etherifying the mixture for 0.5 to 15 hours at the reaction temperature of 80 to 150 DEG C, carrying out the reduced pressure distillation, filtering and desalting ...

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Номер записи: 12
07-05-2014 дата публикации

Temperature-resistant and salt-resistant copolymer and preparation method thereof

Номер: CN103772602A
Автор: CHEN ANMENG, XIA YANMIN, SHA OU, SHEN ZHIQIN
Принадлежит:

The invention relates to a temperature-resistant and salt-resistant copolymer and a preparation method thereof, and mainly solves a problem that polyacrylamide has high possibility of hydrolysis under the conditions of high temperature and high mineralization degree in a conventional technology for improving the recovery efficiency by tertiary oil recovery. According to the technical scheme, the temperature-resistant and salt-resistant copolymer NWKY-PAN has a general formula shown in the specification, wherein p is the number of -CH2- , and is 1 to 3; x, y and m are the structural unit mole numbers of acrylamide, hydrolyzed acrylamide and lactam monomers respectively, x is 95 to 15, y is 4 to 40, and m is 1 to 45; the molecular weight of the copolymer NWKY-PAN is 12,000,000 to 18,000,000; the problem in the prior art is better solved; the temperature-resistant and salt-resistant copolymer can be used for the industrial production of an oil displacement agent for oil recovery in an oilfield ...

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Номер записи: 13
09-05-2012 дата публикации

High-molecular-weight active comb polymer and preparation method thereof

Номер: CN0101885802B
Автор: CHENGJUN ZHOU, WEIMIN YANG, YANMIN XIA, WENLE ZHOU, ZINIU YU, ANMENG CHEN, XIAOFANG SONG, ZHOU CHENGJUN, YANG WEIMIN, XIA YANMIN, ZHOU WENLE, YU ZINIU, CHEN ANMENG, SONG XIAOFANG
Принадлежит:

The invention relates to a high-molecular-weight active comb polymer and a preparation method thereof, which mainly solve the problem of poor connection stability of the active groups of the active polymer and the main chain in prior art. By adopting the technical solution including the active comb polymer represented by structural formula (I) (in which x, y, p and q are mol numbers of structural units of acrylamide, sodium acrylate, 2-acrylamidyl-2-methyl sodium proparesulfonic acid and large monomer with surface activity; x:y:p:q is 60-80:10-30:5-20:0.1-5, R in the large monomer with surface activity is C1-C18 alkyl or C1-C18 alkyl aryl, n is 4-50, and the average molecular weight of the active comb polymer is greater than 106.) and preparation method thereof, the invention solves the problem greatly and can be used in high temperature oil reservoir exploitation with high hypersalinity.

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Номер записи: 14
06-08-2014 дата публикации

Oil displacement method implemented by aid of viscous-elastic surfactants

Номер: CN103967462A
Автор: SHEN ZHIQIN, CHEN ANMENG, LI YINGCHENG, WU GUOYING
Принадлежит:

The invention relates to an oil displacement method implemented by the aid of aqueous solution of viscous-elastic surfactants. The oil displacement method mainly solves problems of difficulty in performing injection accumulation on low-permeability oil reservoirs and low oil displacement efficiency in the prior art. The technical scheme includes that that oil displacement method implemented by the aid of the viscous-elastic surfactants includes enabling rock cores containing crude oil to be in contact with oil displacement agents under the conditions that the oil displacement temperatures range from 40 DEG C to 100 DEG C and the total dissolved solid (TDS) in each liter of formation water is higher than 500 milligrams, and displacing the crude oil in the rock cores; the oil displacement agents contain the viscous-elastic surfactants and the formation water, and the concentration of the viscous-elastic surfactants in the oil displacement agents range from 0.01wt% to 1.5wt%; the viscous-elastic ...

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Номер записи: 15
07-05-2014 дата публикации

Method for improving gel forming rate of organic soil in oil-base drilling fluid mud

Номер: CN103773324A
Автор: CHEN ANMENG, SHA OU, ZHANG WEIDONG, GAO LEI
Принадлежит:

The invention relates to a method for improving gel forming rate of organic soil in oil-base drilling fluid mud, and mainly solves the problems of poor dispersibility and low gel forming rate of the organic soil in the oil-base drilling fluid mud in the prior art. The method for improving the gel forming rate of the organic soil in the oil-base drilling fluid mud comprises the following several steps: (a) the organic soil is added in oil-base drilling fluid base oil for stirring to obtain a mixed system, wherein the organic soil is 0.5-15% of the weight of the mixed system; (b) an activating agent being 1-50% of the weight of the organic soil is added in the mixed system for stirring to obtain the oil-base drilling fluid mud, wherein the organic soil is organic ammonium or organic ammonium-modified bentonite; the activating agent is at least one of polar esters, alcohols and ketones or at least one of solutions thereof. The method preferably solves the problems, and can be applied to the ...

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Номер записи: 16
02-07-2014 дата публикации

Alkylphenol ether carboxylate oil-based drilling fluid

Номер: CN103897676A
Автор: GAO LEI, SHEN ZHIQIN, SHA OU, CHEN ANMENG
Принадлежит:

The invention relates to an alkylphenol ether carboxylate oil-based drilling fluid, and aims to solve the problems of bad emulsifying performance, bad temperature resistant performance, and bad salt resistant performance of conventional oil-based emulsifiers in the prior art. The alkylphenol ether carboxylate oil-based emulsifier provided by the invention comprises the following components in parts by the weight of the drilling fluid: (1) 70 to 90 parts of continuous phase; (2) 1 to 8 parts of main emulsifier; (3) 1 to 4 parts of auxiliary emulsifier; (4) 1 to 5 parts of organic soil; and (5) 2 to 5 parts of filtrate reducer. The emulsifier well solves the problems mentioned above, and is capable of being applied to the drilling wells in oil fields.

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Номер записи: 17
02-07-2014 дата публикации

Alkylphenol polyoxyethylene carboxylate (sulfonate) betaine modified organic soil and preparation method thereof

Номер: CN103896295A
Автор: SHEN ZHIQIN, CHEN ANMENG, LI YINGCHENG, LI BIN
Принадлежит:

The invention relates to an alkylphenol polyoxyethylene carboxylate (sulfonate) betaine modified organic soil and a preparation method thereof, and aims to solve the problem that the gel-forming rate of organic soil is low in white oil in the prior art. The modified organic soil comprises the following components: (1) sodium bentonite; and (2) alkylphenol polyoxyethylene carboxylate (sulfonate) betaine; wherein the formula of the component (2) is represented in the description, in the formula, the M represents an alkali metal or an alkali earth metal, the R represents a C1-C20 alkyl group, and n is an integer in a range of 1 to 30. The modified organic soil well solves the problem mentioned above, and is capable of being applied to an oil-based drilling fluid system taking white oil as the basic oil.

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Номер записи: 18